Concatenating text columns
With the whitespace cleaned up, you realize that some products have the same detail but come in different sizes. To uniquely identify each product variant, you need to combine the detail and size columns into a single identifier.
Diese Übung ist Teil des Kurses
Data Transformation with Polars
Anleitung zur Übung
- Concatenate the
detailandsizecolumns with a colon separator and name the new columndetail_size.
Interaktive Übung
Vervollständige den Beispielcode, um diese Übung erfolgreich abzuschließen.
# Combine detail and size into a new column
reviews.with_columns(
pl.____(["detail", "size"], separator="____").____("detail_size")
)